DE3620301C2 - - Google Patents

Info

Publication number
DE3620301C2
DE3620301C2 DE3620301A DE3620301A DE3620301C2 DE 3620301 C2 DE3620301 C2 DE 3620301C2 DE 3620301 A DE3620301 A DE 3620301A DE 3620301 A DE3620301 A DE 3620301A DE 3620301 C2 DE3620301 C2 DE 3620301C2
Authority
DE
Germany
Prior art keywords
track
signal
light spot
guide tracks
record carrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE3620301A
Other languages
German (de)
English (en)
Other versions
DE3620301A1 (de
Inventor
Takeshi Kokubunji Jp Maeda
Yoshito Mitaka Jp Tsunoda
Kazuo Saitama Jp Shigematsu
Toshimitsu Sagamihara Jp Kaku
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP60131850A external-priority patent/JP2702907B2/ja
Priority claimed from JP60273227A external-priority patent/JP2528822B2/ja
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE3620301A1 publication Critical patent/DE3620301A1/de
Application granted granted Critical
Publication of DE3620301C2 publication Critical patent/DE3620301C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • G11B7/261—Preparing a master, e.g. exposing photoresist, electroforming
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10556—Disposition or mounting of transducers relative to record carriers with provision for moving or switching or masking the transducers in or out of their operative position
    • G11B11/10563—Access of indexed parts
    • G11B11/10565—Marks for track change, e.g. prepits, gray codes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10576—Disposition or mounting of transducers relative to record carriers with provision for moving the transducers for maintaining alignment or spacing relative to the carrier
    • G11B11/10578—Servo format, e.g. prepits, guide tracks, pilot signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0938—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following servo format, e.g. guide tracks, pilot signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/094—Methods and circuits for servo offset compensation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24073—Tracks
    • G11B7/24082—Meandering
DE19863620301 1985-06-19 1986-06-18 Vorrichtung und aufzeichnungstraeger fuer einen optischen plattenspeicher und schneidevorrichtung fuer eine master-platte Granted DE3620301A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP60131850A JP2702907B2 (ja) 1985-06-19 1985-06-19 情報記録媒体及びその記録再生装置
JP60273227A JP2528822B2 (ja) 1985-12-06 1985-12-06 情報記録媒体およびその記録再生装置

Publications (2)

Publication Number Publication Date
DE3620301A1 DE3620301A1 (de) 1987-01-02
DE3620301C2 true DE3620301C2 (fr) 1989-04-13

Family

ID=26466567

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863620301 Granted DE3620301A1 (de) 1985-06-19 1986-06-18 Vorrichtung und aufzeichnungstraeger fuer einen optischen plattenspeicher und schneidevorrichtung fuer eine master-platte

Country Status (3)

Country Link
US (2) US4949331A (fr)
DE (1) DE3620301A1 (fr)
NL (1) NL193159C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19728481A1 (de) * 1996-07-05 1998-01-08 Sharp Kk Substrat für eine optische Platte, Verfahren zum Herstellen desselben, optische Platte unter Verwendung desselben sowie Wiedergabeverfahren für eine solche Platte

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4779253A (en) * 1985-07-30 1988-10-18 Laser Magnetic Storage International Company Sampled servo for an optical disk drive
US5144552A (en) * 1986-07-25 1992-09-01 Ricoh Company, Ltd. Optical information storage medium having grooves and pits with specific depths, respectively
US4864552A (en) * 1986-08-29 1989-09-05 Laser Magnetic Storage International Company Driving signal for coarse servo employing sampled offset signal
JPS63142533A (ja) * 1986-12-03 1988-06-14 Fujitsu Ltd 光学的記録再生装置
EP0286326B1 (fr) * 1987-04-08 1994-06-15 Nippon Telegraph and Telephone Corporation Méthode et appareil de fabrication d'une matrice de disque optique et d'un disque optique
JPH07118166B2 (ja) * 1987-05-21 1995-12-18 パイオニア株式会社 トラッキング回路
JPS63306535A (ja) * 1987-06-05 1988-12-14 Sharp Corp 光学的記録再生装置
CA1303740C (fr) * 1987-08-21 1992-06-16 Kazuo Van Disque optique pour memoires optiques
CA1317374C (fr) * 1987-11-18 1993-05-04 Toshihisa Deguchi Support de memoire optique
NL8901588A (nl) * 1989-06-23 1991-01-16 Philips Nv Inrichting voor het optekenen van informatie op een registratiedrager met een stralingsgevoelige laag.
US5170390A (en) * 1988-08-22 1992-12-08 Sharp Kabushiki Kaisha Optical recording element and driving system
JPH02130727A (ja) * 1988-11-10 1990-05-18 Sony Corp ディスク状記録媒体
US5636195A (en) * 1989-03-27 1997-06-03 Nikon Corporation Optical recording method and reproducing method and recording apparatus and reproducing apparatus utilizing stimulated photon echo
US5150339A (en) * 1989-04-24 1992-09-22 Hitachi, Ltd. Optical disk medium and its application method and system
US5303217A (en) * 1989-06-23 1994-04-12 U.S. Philips Corporation Optical recording device wherein recording beam intensity is set in accordance with an optimum value of the DC component of a recorded signal
JP2984004B2 (ja) * 1989-08-28 1999-11-29 ソニー株式会社 カッテングマシン
JPH03154239A (ja) * 1989-11-10 1991-07-02 Pioneer Electron Corp 光ディスクカッティング装置
JP2762629B2 (ja) * 1989-11-21 1998-06-04 ソニー株式会社 記録媒体及び該記録媒体の再生装置
JPH03201266A (ja) * 1989-12-27 1991-09-03 Victor Co Of Japan Ltd 追記型情報記録媒体及びその記録装置
US5144602A (en) * 1990-02-01 1992-09-01 Matsushita Electric Industrial Co., Ltd. Magneto-optical information recording method and apparatus in which a laser beam oscillates in a track-width direction
JP2593229B2 (ja) * 1990-02-16 1997-03-26 キヤノン株式会社 光ディスク装置
US5247502A (en) * 1990-02-16 1993-09-21 Canon Kabushiki Kaisha Optical information recording and/or reproducing apparatus and method for sampling an irradiation state error signal
US5268887A (en) * 1990-05-15 1993-12-07 Kabushiki Kaisha Toshiba Optical recording medium having offset-compensating areas
JPH04149834A (ja) * 1990-10-12 1992-05-22 Pioneer Electron Corp 相変化型光学式情報記録媒体
US5213859A (en) * 1990-12-21 1993-05-25 Tdk Corporation Optical recording disk
US5255262A (en) * 1991-06-04 1993-10-19 International Business Machines Corporation Multiple data surface optical data storage system with transmissive data surfaces
JPH05128594A (ja) * 1991-10-31 1993-05-25 Sony Corp 変位量測定方法
JP3051526B2 (ja) * 1991-11-08 2000-06-12 パイオニア株式会社 光学式記録再生装置における光ヘッドのサーボ装置
JP2868682B2 (ja) 1992-05-15 1999-03-10 シャープ株式会社 光ディスク
US5452284A (en) * 1992-09-14 1995-09-19 Matsushita Electric Industrial Co., Ltd. Optical recording/reproducing medium and apparatus using land and groove encoded information signals and identification signals including position information
JP3135389B2 (ja) * 1992-10-23 2001-02-13 松下電器産業株式会社 情報再生方法、情報記録再生方法、情報再生装置、記録媒体及び光ヘッド
JP3221100B2 (ja) * 1992-10-30 2001-10-22 ソニー株式会社 光ディスク
JP2697555B2 (ja) * 1993-05-26 1998-01-14 松下電器産業株式会社 光情報記録媒体
JPH0744893A (ja) * 1993-07-30 1995-02-14 Nikon Corp 光記録媒体及びそのトラッキング方法
US5414652A (en) * 1993-08-27 1995-05-09 Sharp Kabushiki Kaisha Magneto-optical memory element
US5452285A (en) * 1993-09-30 1995-09-19 Polaroid Corporation Uniformly distributed servo data for optical information storage medium
US5982738A (en) 1995-02-14 1999-11-09 Hitachi, Ltd. Optical recording medium having at least wobbled synchronous information shared between tracks
JP2788022B2 (ja) * 1995-02-14 1998-08-20 株式会社日立製作所 光記録媒体
US7072278B2 (en) * 1995-02-14 2006-07-04 Hitachi, Ltd. Optical reproducing method for optical medium with aligned prepit portion
US5896365A (en) * 1995-04-28 1999-04-20 Canon Kabushiki Kaisha Optical information recording medium capable of recording in lands and grooves without a track-jumping operation; optical information recording/reproducing apparatus using, and master disk exposure apparatus for producing the same
JP2723079B2 (ja) * 1995-05-23 1998-03-09 日本電気株式会社 光ディスク用原盤露光装置および露光方法
US5615205A (en) * 1995-06-28 1997-03-25 International Business Machines Corporation Bi-level optical media having embossed header format
JP2865159B2 (ja) * 1995-06-29 1999-03-08 日本電気株式会社 光磁気記録媒体とその再生方法
JP3081934B2 (ja) * 1995-08-17 2000-08-28 富士通株式会社 光磁気記録媒体
DE69614095T2 (de) * 1995-12-28 2002-03-14 Sony Corp Optische platte
US6058099A (en) * 1995-12-29 2000-05-02 Sony Corporation Disc-shaped information recording medium having offset address information data
US6215758B1 (en) * 1996-10-04 2001-04-10 Sony Corporation Recording medium
US6744707B1 (en) 1996-06-18 2004-06-01 Matsushita Electric Industrial Co., Ltd. Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the same
US6665257B2 (en) 1996-06-18 2003-12-16 Matsushita Electric Industrial Co., Ltd. Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the same
US7203138B2 (en) * 1996-06-18 2007-04-10 Matsushita Electric Industrial Co., Ltd. Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the same
US6418095B1 (en) * 1996-06-18 2002-07-09 Matsushita Electric Industrial Co., Ltd. Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the same
JPH10177722A (ja) 1996-12-16 1998-06-30 Seiko Epson Corp 記録装置
JPH10334503A (ja) * 1997-05-28 1998-12-18 Sony Corp 光ディスク原盤の露光装置
US6327231B1 (en) 1997-06-17 2001-12-04 Matsushita Electric Industrial Co., Ltd. Optical head device with zero-cross point correction
JPH1173685A (ja) * 1997-08-29 1999-03-16 Sony Corp 光記録媒体及びその製造方法
JP3032500B2 (ja) * 1998-01-09 2000-04-17 株式会社リコー 光ディスク原盤の露光装置
JP3374086B2 (ja) * 1998-08-28 2003-02-04 三洋電機株式会社 光磁気記録媒体
JP2000132855A (ja) * 1998-10-27 2000-05-12 Matsushita Electric Ind Co Ltd 光情報記録再生装置
DE60044732D1 (de) * 1999-04-08 2010-09-02 Pioneer Corp Verfahrung zur Herstellung eines optischen Aufzeichnungsmediums und optisches Aufzeichnungsmedium
DE60042766D1 (de) * 1999-06-30 2009-09-24 Sharp Kk Optische Plattenvorrichtung zur Wiedergabe einer optischen Platte mit darin geformten Pits verschiedener Tiefe
AU4692601A (en) * 2000-04-17 2001-10-30 Matsushita Electric Industrial Co., Ltd. Recording medium, method and apparatus for reproducing, and method and apparatusfor recording
JP4157254B2 (ja) * 2000-06-14 2008-10-01 シャープ株式会社 情報記録再生装置およびそのトラッキングサーボ方法
EP1344212B1 (fr) 2000-12-14 2008-08-13 ECD Systems, Inc. Procédé d'authentification d'un support d'enregistrement optique et support d'enregistrement optique
US7562396B2 (en) 2001-08-21 2009-07-14 Ecd Systems, Inc. Systems and methods for media authentication
US7643393B2 (en) * 2001-12-12 2010-01-05 Ecd Systems, Inc. Systems and methods for optical media modification
US20030133393A1 (en) * 2002-01-15 2003-07-17 Katsuhiko Shinohara Recording and reading method of an optical disk
US7716485B2 (en) 2002-02-01 2010-05-11 Sca Ipla Holdings Inc. Systems and methods for media authentication
US20070211614A1 (en) * 2004-08-04 2007-09-13 Koninklijke Philips Electronics, N.V. Device and method for manufacturing a master disc using a pulsed write strategy
KR100651862B1 (ko) 2005-11-24 2006-12-04 엘지전자 주식회사 초해상 광기록매체
US7859610B2 (en) * 2005-12-27 2010-12-28 Panasonic Corporation Planar lighting and LCD device with a laser light source emitting a linearly-polarized laser beam, optical member to parallelize the beam and a plate-shaped light guide for emitting part of the beam
JP2008276875A (ja) * 2007-04-27 2008-11-13 Fujitsu Ltd 磁気ディスク装置によるデータの書き込み方法、オフトラックマージン設定方法、磁気ディスク装置、および、オフトラックマージン設定装置
JP2014142978A (ja) * 2013-01-22 2014-08-07 Sony Corp 制御装置および制御方法、ならびに原盤作製装置

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1435299A (en) * 1972-03-23 1976-05-12 Emi Ltd Recording of information
US4094013A (en) * 1975-05-22 1978-06-06 U.S. Philips Corporation Optical storage disk system with disk track guide sectors
FR2321164A1 (fr) * 1975-08-13 1977-03-11 Thomson Csf Procede mecano-optique de diffusion de l'information, disque et dispositifs d'enregistrement et de lecture pour la mise en oeuvre de ce procede
GB1585546A (en) * 1976-04-08 1981-03-04 Victor Company Of Japan Information signal recording system
DE2634243A1 (de) * 1976-07-30 1978-02-02 Bosch Gmbh Robert System zur aufzeichnung und/oder wiedergabe von signalen mittels strahlen
NL173797C (nl) * 1977-02-09 1984-03-01 Victor Company Of Japan Informatiesignaalregistreermedium met een plat oppervlak, en registreerinrichting voor een dergelijk medium.
JPS583297B2 (ja) * 1978-06-09 1983-01-20 株式会社日立製作所 情報記録再生方法，その装置およびその記録媒体
JPS592094B2 (ja) * 1980-08-25 1984-01-17 ケイディディ株式会社 層状光磁気記録媒体
JPS57105828A (en) * 1980-12-19 1982-07-01 Matsushita Electric Ind Co Ltd Optical disk recording and reproducing system
US4445820A (en) * 1980-12-27 1984-05-01 Aisan Kogyo Kabushiki Kaisha Electrically powered pump
NL8100098A (nl) * 1981-01-12 1982-08-02 Philips Nv Registratiedrager met optisch uitleesbare informatiestruktuur.
FR2504301A1 (fr) * 1981-04-15 1982-10-22 Thomson Csf Support d'informations mobile et dispositif d'enregistrement-lecture comprenant un tel support
FR2504765A1 (fr) * 1981-04-27 1982-10-29 Thomson Csf Dispositif d'enregistrement-lecture comprenant un support mobile d'informations du type comportant une piste pregravee
JPS5841446A (ja) * 1981-09-04 1983-03-10 Hitachi Ltd 光学的情報追跡方式
JPS5873023A (ja) * 1981-10-27 1983-05-02 Pioneer Electronic Corp 情報読取装置におけるトラツキングサ−ボ信号発生装置
KR880000999B1 (ko) * 1981-11-25 1988-06-10 미쓰다 가쓰시게 광학적 정보 기억장치
NL8204555A (nl) * 1981-11-25 1983-06-16 Hitachi Ltd Inrichting voor het registreren en weergeven van informatie.
EP0081138B1 (fr) * 1981-12-01 1987-10-21 Matsushita Electric Industrial Co., Ltd. Disque optique pour l'enregistrement et la reproduction
JPS58102338A (ja) * 1981-12-11 1983-06-17 Mitsubishi Electric Corp 光デイスク記録・再生装置
JPS58102347A (ja) * 1981-12-11 1983-06-17 Mitsubishi Electric Corp 光デイスク記録担体
US4428069A (en) * 1981-12-21 1984-01-24 Burroughs Corporation Apparatus for preformatting an optical disk
JPS58155528A (ja) * 1982-03-10 1983-09-16 Matsushita Electric Ind Co Ltd 光デイスク記録再生方式および光デイスクならびに光デイスクの製造方法
FR2523349A1 (fr) * 1982-03-12 1983-09-16 Thomson Csf Procede et dispositif optique de generation de signaux d'asservissements de la position d'une tache d'exploration des pistes d'un support d'information
JPH0648582B2 (ja) * 1982-03-31 1994-06-22 株式会社日立製作所 光学的情報記録再生方法
JPH0644362B2 (ja) * 1982-03-31 1994-06-08 株式会社日立製作所 光ディスク媒体及び光ディスク装置
JPS58203636A (ja) * 1982-05-20 1983-11-28 Trio Kenwood Corp 情報読取装置におけるトラッキングエラー信号検出装置
JPS5919250A (ja) * 1982-07-21 1984-01-31 Hitachi Ltd 情報の記録再生装置
EP0100995A3 (en) * 1982-08-10 1985-10-16 Kabushiki Kaisha Toshiba Optical disk
JPH0680535B2 (ja) * 1982-08-27 1994-10-12 株式会社日立製作所 情報の記録再生方法
JPS5965951A (ja) * 1982-10-08 1984-04-14 Toshiba Corp 情報記憶媒体用原盤
JPS59101043A (ja) * 1982-11-30 1984-06-11 Matsushita Electric Ind Co Ltd 情報記録再生坦体
JPS59168939A (ja) * 1983-03-16 1984-09-22 Matsushita Electric Ind Co Ltd デイスク記録再生装置
JPS59223945A (ja) * 1983-06-03 1984-12-15 Olympus Optical Co Ltd 光デイスクのトラツクエラ−検出装置
JPS59227039A (ja) * 1983-06-07 1984-12-20 Matsushita Electric Ind Co Ltd 記録再生用デイスク原盤作成装置
JPS6076028A (ja) * 1983-09-30 1985-04-30 Toshiba Corp 光学的情報記録再生装置
US4703408A (en) * 1983-11-28 1987-10-27 Hitachi, Ltd. Apparatus and record carrier for optically writing information
JPS6113458A (ja) * 1984-06-29 1986-01-21 Hitachi Ltd 光学的情報記録媒体およびカツテイング装置
JPS6185653A (ja) * 1984-10-02 1986-05-01 Sharp Corp 光磁気メモリ素子
NL8500153A (nl) * 1985-01-22 1986-08-18 Philips Nv Registratiedragerlichaam voorzien van een reliefstruktuur van optisch detekteerbare servospoorgedeelten en sektoradressen en inrichting voor het aanbrengen van deze struktuur.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19728481A1 (de) * 1996-07-05 1998-01-08 Sharp Kk Substrat für eine optische Platte, Verfahren zum Herstellen desselben, optische Platte unter Verwendung desselben sowie Wiedergabeverfahren für eine solche Platte
DE19728481C2 (de) * 1996-07-05 2001-07-26 Sharp Kk Substrat für eine optische Platte, Verfahren zum Herstellen desselben, optische Platte unter Verwendung desselben sowie Wiedergabeverfahren für eine solche Platte

Also Published As

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US5084860A (en) 1992-01-28
NL193159C (nl) 1998-12-04
US4949331A (en) 1990-08-14
NL193159B (nl) 1998-08-03
NL8601566A (nl) 1987-01-16
DE3620301A1 (de) 1987-01-02

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